title: Collaborative study for establishment of a European Pharmacopoeia Biological Reference Preparation (BRP) for B19 virus DNA testing of plasma pools by nucleic acid amplification technique.
mesh_terms: D004279:DNA, Viral / Q000097:blood*; D005060:Europe; D006801:Humans; D007391:International Cooperation; D021141:Nucleic Acid Amplification Techniques / Q000592:standards*; D016732:Parvovirus B19, Human / Q000235:genetics*; D010602:Pharmacopoeias as Topic / Q000592:standards; D012015:Reference Standards
chemical_list: D004279:DNA, Viral